Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 244-240-6 | CAS number: 21145-77-7
Density
Administrative data
Link to relevant study record(s)
Description of key information
The relative density and the bulk density are 960 and 600 g/l resp.
Key value for chemical safety assessment
- Relative density at 20C:
- 0.96
Additional information
The difference in bulk and relative density differ considerable and is due to the production process of the Tonalid (AHTN). Since AHTN melts around 54oC, the relative density can be determined by melting the AHTN prior to the determination. Strictly speaking, the relative density should be between 600 and 960 g/l, but it should be closer to the molten density than to the bulk density. Hence the 960 g/l has been taken forward in the registration as the relative density.
The relative density is less than one and the water-solubility of AHTN very low. Consequently, the substance is likely to float, which is relevant information for the risk assessment.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
